Partial Class _Default
Inherits System.Web.UI.Page
Private username As String = ""
Private userpass As String = ""
Private b As Boolean = False
Private sql As String = "select count(*) from t_user where username = @username and userpass = @userpass"
Protected Sub Page_Init(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Init
If Request.Cookies("username") IsNot Nothing And Request.Cookies("userpass") IsNot Nothing Then
Me.username = Server.HtmlEncode(Request.Cookies("username").Value)
Me.userpass = Server.HtmlEncode(Request.Cookies("userpass").Value)
Dao.sds.SelectCommand = sql
Dao.sds.SelectParameters.Clear()
Dao.sds.SelectParameters.Add("username", Me.username)
Dao.sds.SelectParameters.Add("userpass", Me.userpass)
Dim ie As IEnumerable = Dao.sds.Select(DataSourceSelectArguments.Empty)
Dim dv As System.Data.DataView = ie
Dim i As Integer = dv(0)(0)
If i > 0 Then
Response.Redirect("~/Index.aspx")
End If
End If
End Sub
Protected Sub Login1_Authenticate(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.AuthenticateEventArgs) Handles Login1.Authenticate
Me.username = Me.Login1.UserName
Me.userpass = Me.Login1.Password
Me.b = Me.Login1.RememberMeSet
Dao.sds.SelectCommand = sql
Dao.sds.SelectParameters.Clear()
Dao.sds.SelectParameters.Add("username", Me.username)
Dao.sds.SelectParameters.Add("userpass", Me.userpass)
Dim ie As IEnumerable = Dao.sds.Select(DataSourceSelectArguments.Empty)
Dim dv As System.Data.DataView = ie
Dim i As Integer = dv(0)(0)
If i > 0 Then
Response.Cookies("username").Value = Server.HtmlEncode(username)
Response.Cookies("userpass").Value = Server.HtmlEncode(userpass)
If b Then
Response.Cookies("username").Expires = DateTime.Now.AddDays(7) '设置cookie超时时间为7天
Response.Cookies("userpass").Expires = DateTime.Now.AddDays(7)
End If
Response.Redirect("~/Index.aspx") '登录成功跳转
End If
End Sub
End Class
